1--TEST-- 2string offset 001 3--FILE-- 4<?php 5// Test positive or null string offsets 6 7function foo($x) { 8 var_dump($x); 9} 10 11$str = "abc"; 12var_dump($str[0]); 13var_dump($str[1]); 14var_dump($str[2]); 15var_dump($str[3]); 16var_dump($str[1][0]); 17var_dump($str[2][1]); 18 19foo($str[0]); 20foo($str[1]); 21foo($str[2]); 22foo($str[3]); 23foo($str[1][0]); 24foo($str[2][1]); 25?> 26--EXPECTF-- 27string(1) "a" 28string(1) "b" 29string(1) "c" 30 31Warning: Uninitialized string offset 3 in %s on line %d 32string(0) "" 33string(1) "b" 34 35Warning: Uninitialized string offset 1 in %s on line %d 36string(0) "" 37string(1) "a" 38string(1) "b" 39string(1) "c" 40 41Warning: Uninitialized string offset 3 in %s on line %d 42string(0) "" 43string(1) "b" 44 45Warning: Uninitialized string offset 1 in %s on line %d 46string(0) "" 47
